/* CSSVariantEngine v3.0 — app-tianbo-games.com.cn */
/* Palette: editorial-cream | Radius: medium | Shadow: glow */
/* Spacing: generous | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #9e3529;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 3px rgba(26,26,26,.08), 0 0 12px rgba(196,69,54,.08);
    --shadow-md: 0 4px 12px rgba(26,26,26,.1), 0 0 24px rgba(196,69,54,.18);
    --shadow-lg: 0 12px 32px rgba(26,26,26,.14), 0 0 40px rgba(196,69,54,.28);
    --space-section: 2.2rem;
    --space-card: 1.15rem;
    --space-gap: 0.85rem;
    --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f5f1e8; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #1a1a1a; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #fdfbf6; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: #c44536; color: #fdfbf6; box-shadow: 0 0 16px rgba(196,69,54,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== Section Layout Variants ========== */

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(26,26,26,.14), 0 0 32px rgba(196,69,54,.6); }
.card { border: 1px solid rgba(var(--rgb-primary), .12); }
header, .header, .navbar { box-shadow: 0 2px 8px rgba(26,26,26,.07), 0 0 18px rgba(196,69,54,.1); background-color: #fdfbf6; }

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}